#include <dt-bindings/clock/bcm2835.h>
/*
 * Device tree overlay for the Universal Digital Radio Controller
 */

/dts-v1/;
/plugin/;

/ {
    compatible = "brcm,bcm2835";
    fragment@0 {
        target = <&i2s>;
        __overlay__ {
            clocks = <&clocks BCM2835_CLOCK_PCM>;
            clock-names = "pcm";
            status = "okay";
        };
    };

    fragment@1 {
        target-path = "/";
        __overlay__ {
            regulators {
                compatible = "simple-bus";
                #address-cells = <1>;
                #size-cells = <0>;

                udrc0_ldoin: udrc0_ldoin {
                    compatible = "regulator-fixed";
                    regulator-name = "ldoin";
                    regulator-min-microvolt = <3300000>;
                    regulator-max-microvolt = <3300000>;
                    regulator-always-on;
                };
            };
        };
    };

    fragment@2 {
        target = <&i2c1>;
        __overlay__ {
            #address-cells = <1>;
            #size-cells = <0>;
            status = "okay";
            clocks = <&clocks BCM2835_CLOCK_VPU>;
            clock-frequency = <400000>;

            tlv320aic32x4: tlv320aic32x4@18 {
                compatible = "ti,tlv320aic32x4";
                #sound-dai-cells = <0>;
                reg = <0x18>;
                status = "okay";

                clocks = <&clocks BCM2835_CLOCK_GP0>;
                clock-names = "mclk";
                assigned-clocks = <&clocks BCM2835_CLOCK_GP0>;
                assigned-clock-rates = <25000000>;

                pinctrl-names = "default";
                pinctrl-0 = <&gpclk0_pin &aic3204_reset>;

                reset-gpios = <&gpio 13 0>;

                iov-supply = <&udrc0_ldoin>;
                ldoin-supply = <&udrc0_ldoin>;
            };
        };
    };

    fragment@3 {
        target = <&sound>;
        snd: __overlay__ {
            compatible = "simple-audio-card";
            i2s-controller = <&i2s>;
            status = "okay";

            simple-audio-card,name = "udrc";
            simple-audio-card,format = "i2s";

            simple-audio-card,bitclock-master = <&dailink0_master>;
            simple-audio-card,frame-master = <&dailink0_master>;

            simple-audio-card,widgets =
                "Line", "Line In",
                "Line", "Line Out";

            simple-audio-card,routing =
                "IN1_R", "Line In",
                "IN1_L", "Line In",
                "CM_L", "Line In",
                "CM_R", "Line In",
                "Line Out", "LOR",
                "Line Out", "LOL";

            dailink0_master: simple-audio-card,cpu {
                sound-dai = <&i2s>;
            };

            simple-audio-card,codec {
                sound-dai = <&tlv320aic32x4>;
            };
        };
    };

    fragment@4 {
        target = <&gpio>;
        __overlay__ {
            gpclk0_pin: gpclk0_pin {
                brcm,pins = <4>;
                brcm,function = <4>;
            };

            aic3204_reset: aic3204_reset {
                brcm,pins = <13>;
                brcm,function = <1>;
                brcm,pull = <1>;
            };

            aic3204_gpio: aic3204_gpio {
                brcm,pins = <26>;
            };
        };
    };

    __overrides__ {
        alsaname = <&snd>, "simple-audio-card,name";
    };
};